| Countries Bordering "U" Countries | 0 | - | 4.82 | 24,317 |
| One Country By Letter By Continent | 0 | - | 5.00 | 122,887 |
| Countries that Start with A | 0 | - | 4.98 | 2,155,406 |
| Countries that Start with B | 0 | - | 4.95 | 2,287,525 |
| Countries that Start with C | 0 | - | 4.96 | 1,816,470 |
| Countries that Start with D | 0 | - | 4.96 | 705,746 |
| Countries that Start with E | 0 | - | 4.95 | 1,372,604 |
| Countries that Start with G | 0 | - | 4.97 | 1,498,123 |
| Countries that Start with H | 0 | - | 4.96 | 601,449 |
| Countries that Start with I | 0 | - | 4.92 | 1,284,344 |
| Countries that Start with J | 0 | - | 4.98 | 599,411 |
| Countries that Start with K | 0 | - | 4.97 | 812,579 |
| Countries that Start with L | 0 | - | 4.98 | 1,086,804 |
| Countries that Start with N | 0 | - | 4.93 | 1,113,837 |
| Countries that Start with P | 0 | - | 4.94 | 1,212,619 |
| Countries that Start with S | 0 | - | 4.98 | 1,749,962 |
| Countries that Start with T | 0 | - | 4.90 | 1,007,175 |
| Countries that Start with U | 0 | - | 4.97 | 902,333 |
| Countries that Start with V | 0 | - | 4.98 | 607,486 |
| Countries that Start with F | 0 | - | 4.83 | 615,055 |
| Countries that Start with M | 0 | - | 4.97 | 1,377,707 |
| Countries that Start with R | 0 | - | 4.43 | 445,743 |
| Richest Countries A-Z | 0 | - | 4.92 | 102,500 |
| Majority Muslim Countries | 0 | - | 4.98 | 372,273 |
| NATO Countries | 0 | - | 4.98 | 278,473 |
| EU Countries Quiz | 0 | - | 4.99 | 272,036 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 286,699 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 270,830 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,258 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,616 |
| Countries with NO Military | 0 | - | 4.97 | 61,729 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,258 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,211,505 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,021 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 334,144 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,441 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,887 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,188 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,503 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,617 |
| Buddhist Countries | 0 | - | 4.96 | 143,497 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,880 |
| Landlocked Countries | 0 | - | 4.99 | 417,256 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,745,210 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,310 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,769 |
| Orthodox Countries | 0 | - | 4.92 | 131,040 |
| Richest Island Countries | 0 | - | 4.84 | 100,051 |
| Battle to Country | 0 | - | 4.91 | 52,995 |
| Monarchies of Europe | 0 | - | 4.90 | 97,769 |
| Monarchies of Asia | 0 | - | 4.97 | 70,876 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,940 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,036 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,380 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,239 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,686 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,900 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,825 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,143 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,873 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,049 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 269,114 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 103,787 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,157 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,203 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,588 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,982 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,851 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,198 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,658 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,541 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,093 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,212 |
| Island Countries | 0 | - | 4.99 | 709,090 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,213 |
| Himalayan Countries | 0 | - | 4.95 | 136,760 |
| Andean Countries | 0 | - | 4.95 | 83,603 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,864 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,165 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,528 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,123 |
| Danube Countries | 0 | - | 4.97 | 71,487 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,301 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,903 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,297 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,296 |
| European Landlocked Countries | 0 | - | 4.99 | 146,195 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,876 |
| Countries with the Most Species | 0 | - | 4.99 | 102,377 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,004 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,355 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,535 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,204 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,856 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,234 |
| Countries in the Alps | 0 | - | 4.86 | 117,433 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,963 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,041 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,305 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,803 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,901 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,322 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,071 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,043 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,860 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,393 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,397 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,240 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,789 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,051 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,063 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,839 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,941 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,467 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,307 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,363 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,749 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,874 |
| Largest Countries By Category | 0 | - | 4.97 | 157,356 |
| Countries by Countries | 0 | - | 4.96 | 62,667 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,528 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,372,020 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,620 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,953 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,109 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,144 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,044,112 |
| Northernmost Countries | 0 | - | 4.99 | 359,714 |
| Countries of South America | 0 | - | 5.00 | 920,522 |
| Countries of Oceania | 0 | - | 5.00 | 1,048,093 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,860,887 |
| "Land" Countries | 0 | - | 4.98 | 335,177 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,705 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,579 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,720 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,741 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,792 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,260 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,586 |
| One Border Countries - Shape Quiz | 0 | - | 4.83 | 64,700 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.93 | 59,219 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.92 | 60,040 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.86 | 41,853 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 82,380 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,440,893 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,100 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,485 |
| Countries with Megacities | 0 | - | 4.99 | 249,418 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,340 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,668 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,667 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,639 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,145 |
| Countries by Official Language | 0 | - | 4.95 | 194,237 |
| All OPEC Countries Ever | 0 | - | 4.74 | 89,650 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,058 |
| Countries in their Native Language | 0 | - | 4.99 | 197,837 |
| Independence from Whom | 0 | - | 4.99 | 210,972 |
| Subdivisions by Country | 0 | - | 4.86 | 50,223 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,447 |
| Countries in World War I | 0 | - | 4.88 | 227,568 |
| Megadiverse Countries | 0 | - | 4.96 | 134,602 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,429 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,998 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,108 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,660 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,964 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,515 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,273 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,702 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,595 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,407 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,821 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,471 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,617 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,713 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,685 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,360 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,893 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,249 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,746 |
| World Map Quiz | 0 | - | 4.81 | 64,224 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,710 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,771 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,183 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,739 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,473 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,885 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,347 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,522 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,684 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,180 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,112 |
| Widest Countries East to West | 0 | - | 4.92 | 129,218 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,342 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,737 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,946 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,996 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,045 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,418 |
